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NB/T 47065.4-2018Vessel support - Part 4: Bracket support (English PDF)

容器支座第4部分：支承式支座

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

April 3, 2018

Implementation date

July 1, 2018

Scope

NB/T 47065.4-2018 is the English-translated version of 容器支座第4部分：支承式支座.

NB/T 47065.4-2018 is the Chinese standard "Vessel support - Part 4: Bracket support". Its scope clause reads: This part specifies the type characteristics, series parameters and dimensions, materials, marking, manufacturing technical requirements and selection instructions of bracket support.

It is applicable to steel vertical cylindrical vessels under the following conditions: a) nominal diameter: DN800mm ~ DN4 000mm; b) the ratio (L/DN) of cylinder length L to nominal diameter DN is not greater than 5; c) the total height H0 of the vessel is not greater than 10m; d) the allowable service temperature is -20°C~200°C. Its clauses include type characteristics; series parameters and dimensions.

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Document preview — NB/T 47065.4-2018

National Standard of the People's Republic of China

Replacing: JB/T 4712.4-2007

Issued by: National Energy Administration of the People's Republic of China

Foreword i
1 Scope
2 Normative references
3 Type characteristics
4 Series parameters and dimensions
5 Materials
6 Marking
7 Technical requirements of production
8 Selection methods
Annex A (Informative) Approximate calculation of actual load borne on bracket support
Annex B (Informative) Allowable vertical load [F] of Type B support limited by vessel head
Annex C (Informative) Installation height of bracket support

1 Scope

1.1

This part specifies the type characteristics, series parameters and dimensions, materials, marking, manufacturing technical requirements and selection instructions of bracket support.

1.2

It is applicable to steel vertical cylindrical vessels under the following conditions:

a) nominal diameter: DN800mm ~ DN4 000mm;

b) the ratio (L/DN) of cylinder length L to nominal diameter DN is not greater than 5;

c) the total height H0 of the vessel is not greater than 10m;

d) the allowable service temperature is -20°C~200°C.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 985.1 Recommended joint preparation for gas welding, manual metal arc welding, gas-shield arc welding and beam welding

GB/T 1804 General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications

3 Type characteristics

See Table 1 for the type characteristics of bracket support.

Table 1 Type characteristics

Type Support No. Backing plate Applicable nominal diameter DN/mm Support dimension (see the tables and figures)

Steel plate welding A 1~4 With 800~2 200 Figure 1 and Table 2

5~6 2 400~3 000 Figure 2 and Table 2

Steel pipe production B 1~8 With 800~4 000 Figure 3 and Table 3

4 Series parameters and dimensions

4.1

The structure and dimension of Type A support shall be as specified in Figure 1, Figure 2 and Table 2, and those of Type B support shall be as specified in Figure 3 and Table 3.

4.2

The thickness of the support backing plate may be adjusted according to actual needs. The height of Type B support may be changed, but it shall not be greater than the upper limit of support height.

Figure 1 No. 1 ~ No. 4 Type A bracket support

Figure 2 No. 5 ~ No. 6 Type A bracket support

Figure 3 No. 1 ~ No. 8 Type B bracket support […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Similar standards

NB/T 47065.1-2018|NB/T 47065.2-2018|NB/T 47065.3-2018|NB/T 47065.5-2018

Editions of NB/T 47065.4

Edition	Title	Revision	Status
NB/T 47065.4-2018	Vessel support - Part 4: Bracket support	current edition	Current
JB/T 4712.4-2007	Vessel support - Part 4: Bracket support	previous edition	Superseded

This page sells the current edition, NB/T 47065.4-2018. Earlier editions are listed for reference only.

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